baber/WOPTO huggingface dataset:
Patent JP-S60223294-A (JP)
Title: Sound field corrector
Inventor: KUNUGI YOSHIROU
IPC: H04R3/02
Filed: 1984-04-18
Abstract: PURPOSE:To correct a sound field by obtaining plural correction signals set at different levels and phases from an original signal and adding these correction signal to the original signal. CONSTITUTION:An original signal IN is supplied to delay devices 1.1-1.n respectively, and each delay output is impressed to level controllers 2.1-2.n respectively. Each level control output is used as an input of an adder 4 via inverters 3.1-3.n respectively and superposed on the signal IN. This addition output drives a speaker 5 via a power amplifier 9. The delay time of each delay device and the level attenuation of each level controller are equal to the functions of the routes of the reflected sound and the direct sound.
Patent JP-S555536-A (JP)
Title: Audio sensor
Inventor: SAWAYAMA TAKEHIRO
IPC: H04R17/00
Filed: 1978-06-28
Abstract: PURPOSE:To make stable the sensor without lowering the sensitivity even under high temperature atomosphere, by making bonding through the use of glass in attaching the piezoelectric elements being the ultrasonic wave transmitting and receiving elements on the ultrasonic wave radiation plane or audio detection plane. CONSTITUTION:At the bottom surface of the cylindrical vessel 1 having the bottom of metal, the piezoelectric element 2 of disc shape of LiNbO3 is bonded by using the bond 3 consisting of glass material while drawing out the lead 21 externally. After that, the rear side of the vessel 1 is fixed on the transmission and reception plane 4 with weldering. By constituting the sensor like this and exciting the piezoelectric element 2 through the use of transmitter provided externally, this excitation is radiated externally through the bonded body 3, vessel 2 and transmission plane 4. In this case, since glass is used for the bonded body 3, the performance of transmission is made excellent, no peeling is caused, and lowering of insulation due to moisture is not caused.
Patent JP-S533770-A (JP)
Title: Manufacture of anode for magnetron
Inventor: YAMASHITA TOSHIMITSU
IPC: H01J23/213
Filed: 1976-06-30
Abstract: PURPOSE: Keeping the state that a pin is pressed in to eliminate the clearance between an anode main body and an anode plate, they are taken out from an equipment and this method is employed as insersion for brazing, thereby improving the life of the qequipment and performing the brazing with a uniform dimentional precision. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H10263907-A (JP)
Title: Throwaway type cutting tool
Inventor: SAITOU TAKANOBU
IPC: B23C5/22
Filed: 1997-03-28
Abstract: PROBLEM TO BE SOLVED: To increase the rigidity of a tool main body and conduct the high- accuracy cutting work by providing a steal hole arranged from upper edges toward a fitting face in the inclined direction against the fitting face at a corner section where wall faces cross each other. SOLUTION: A steal hole 21 is formed from the upper edges of wall faces 13b, 13b toward a fitting face 13a so as to notch the angle section where the wall faces 13b, 13b of a chip fitting seat cross each other. The steal hole 21 is formed in the crossing direction at an acute angle against the fitting face 13a of the chip fitting seat. A hole bottom 21a approaches the fitting face 13a side of the chip fitting seat, and the thickness D1 of a back metal 22 from the hole bottom 21a to the face 11A facing the rear side in the rotating direction of the chip pocket 12 of a cutter main body 11 can be increased. The rigidity of a cutter main body 11 is increased, and the high-accuracy cutting work can be conducted.
Patent JP-H01252822-A (JP)
Title: Cigarette lighter circuit
Inventor: YAMASHITA TETSUO
IPC: B60N3/14
Filed: 1988-03-31
Abstract: PURPOSE:To prevent a smoking during the driving of a car by a method wherein a relay control circuit is provided for closing a switch circuit when an output signal of a speed sensor has no change at all and then a cigarette lighter is connected in series with the switch circuit. CONSTITUTION:One pole of a cigarette lighter 3 and one pole of a relay control circuit 4 are connected to a positive pole of a battery 1 through an ignition switch 2. The other pole of the cigarette lighter 3 is connected to a ground circuit of a chassis through a switch circuit 5 acting as an output contact point of the relay control circuit 4. The other pole of the relay control circuit 4 is connected to the ground of the chassis and then a speed sensor 6 is connected to a signal input terminal. This speed sensor 6 may generate an electrical signal varying while a motor bike is running, generates no signal when stopped or not varying signal, so that the relay control circuit 4 may act to close the switch circuit 5 (including a non-signal condition).
Patent JP-H06265294-A (JP)
Title: Method and apparatus for managing contaminant of heat exchanger cooling tube
Inventor: OBA TADAHIKO
IPC: F28G13/00
Filed: 1993-03-15
Abstract: PURPOSE:To prevent damage of a protective film due to excess cleaning by measuring the decrease in a conducting current upon continuing of removal of contaminant adhering to the inner surface of a cooling tube and turning off a cleaning unit of the tube when a current decrease ratio after a predetermined interval is zero or approaches zero. CONSTITUTION:A DC current flows from a conducting electrode 3 to a cooling tube 5 through sea water. A collating electrode 4 for detecting the potential of the tube 5 is provided at a tube plate 19, and a constant-potential detector and a potential measuring circuit (potential measuring unit) 10 are so provided to vary a current that an operating potential becomes constant. When ball cleaning is started, a slime is removed, and the potential becomes constant under the control at a constant potential, but the current is decreased. This current value is measured by a current detector 11, and the decrease in the current is monitored by a current judging unit 12 in real time. When a decrease ratio becomes a certain value or lower, a ball cleaning finish signal is sent from the detector 11 to a ball collector 14 to finish cleaning.
Patent JP-S557139-A (JP)
Title: Hopper having dust protection
Inventor: YASUZAWA NORIO
IPC: B65D88/26
Filed: 1978-06-30
Abstract: PURPOSE: To prevent effectively scattering of powder by reducing the pressure of dusty gas rising in a construction of hollow hood installed over the hopper to introduce the dusty gas in this hollow, in which a stream interference preventive plate is provided.  
     CONSTITUTION: A hollow hood 9 is installed on the upper end of the hopper 1, with a size enough to enclose the grab bucket 2. This hollow hood 9 is provided with a peripheral hollow part 8a having its opening 8 to below and with a stream  interference preventive plate 10 dividing the hollow 8a in the vertical direction. This stream interference preventive plate 10 is provided with depressurizing holes 13. The use of this dust protection hood permits the wind W to pass over the grab bucket 2 along the stream line V and thereby hinders the wind from intruding into the inside 14. The rising streams A, B in the hopper which has intruded into the spaces 11, 12, are depressurized by the depressurizing holes 13, so that dusty gas never blows out reversely. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08271772-A (JP)
Title: Optical fiber unit
Inventor: KOSAKA MASATO
IPC: G02B6/44
Filed: 1995-04-04
Abstract: PURPOSE: To provide an optical fiber unit which is free from the interruption of work and the chip, deterioration, peel, etc., of a first coat coating layer by contact of the inside wall of the unit insertion part of a die of a coating device and the optical fiber unit in a stage for forming a second coating layer. CONSTITUTION: This optical fiber unit is provided with the first coating layer 2 on the outer peripheries of unit cores 1, is provided with the second coating layer 3 on the outer periphery of the first coating layer 2 and is embedded with a tear cord 4 within the first coating layer and, therefore, the sectional outer peripheral shape of the optical fiber unit passing the unit insertion part of the die of the coating device is approximately circular (i.e. the sectional outer peripheral shape of the first coating layer 2). Then, the clearance between the inside wall of the unit insertion part of the die and the optical fiber unit passing the wall is sufficiently assured.
Patent JP-H03278963-A (JP)
Title: Ink-jet cartridge and ink-jet device equipped with same
Inventor: NIHEI MAKOTO
IPC: B41J2/175
Filed: 1990-03-29
Abstract: PURPOSE:To prevent deterioration in printing quality, defective printing, etc., caused by aged deterioration of an ink-jet cartridge from occurring by a method wherein a means that counts the time elapsed from the opening of a container is provided to the ink-jet cartridge. CONSTITUTION:A container 101 with an ink-jet cartridge 10 confined therein is opened when installing the ink-jet cartridge to a carriage of an ink-jet device. A timer 103 as a time-counting means is equipped with a battery, an IC for timers and a switching means that automatically connects the battery to the IC at the time when the container 101 is opened. An optical sensor is used for operation of the switch. The container 101 is made of opaque material. When the container 101 is opened, the optical sensor senses the lightness and makes the timer 103 start the operation. An indicator that indicates the lapse of time counted with the timer 103 is provided on the surface of the ink-jet cartridge 10, and serviceability of the cartridge can be judged based on the elapsed time displayed.
Patent JP-H01251153-A (JP)
Title: Electronic equipment
Inventor: YANO YASUHIRO
IPC: G06F3/023
Filed: 1988-03-31
Abstract: PURPOSE:To prevent malfunction due to the instantaneously consumed current increase of an integration circuit by driving dynamically a display signal even in a waiting period for input of keys. CONSTITUTION:In a key input waiting state both a start signal SRT and a signal BM presently under arithmetic operation are set at L levels by the instructions of a ROM. In this case, the inverted signals of outputs phid2, phidnP and phidnN of NAND gates 45-47 are obtained. Thus the output of a NAND gate 52 is set at an H level together with the output of a NAND gate 53 turned into the signal phid2 in each display/key detecting signal output circuit 30. Under such conditions, the display data Din are successively outputted from a RAM and inputted to each circuit 30 and each display signal output circuit 20 via each 1-bit shift register 41.
Patent JP-S59205244-A (JP)
Title: Screw fitting method
Inventor: HATSUTORI SEIJI
IPC: E21B19/16
Filed: 1983-05-04
Abstract: PURPOSE:To prevent occurrence of bite-in phenomena of tapered screws by placing a gauge in resilient contact with a pair of tapered screws in good fitting, and by sensing the position of screwing commencement from the relative angle at the time when a shock is applied owing to reverse rotation from the driving direction and consequent slip-down of one thread into another. CONSTITUTION:A receipt table 10 of an elevating table 7 is sunk, and the load on a gauge 8 is borne by the foremost part of an inner cylinder 30, and then a cylinder 32 is operated to cause light and resilient fitting of a round screw 14 in a tapered female screw of a tapered screw member 3. Then a rotary transmission cylinder 23 is rotated in a specified direction, to rotate said gauge 8 oppositely to the driving direction through electromagnetic discs 36, 38. At this time, the gauge 8 is pushed back in the axial direction according to the leads of the two screws, and the screw thread 14 and tapered screw member 3 make certainly one slip-down while the gauge 8 is making a turn, to provide a micro-reciprocation in the axial direction. The shock generated at this time is sensed by a shock sensor installed on the above-mentioned inner cylinder 30 to stop the motor 28 quickly and, at the same time, put an electro-magnetic brake into application. Now rotations of the electro-magnetic disc 36 and inner cylinder 30 are locked at the current position, and the position of screwing commencement is sensed accurately.
Patent JP-H09267222-A (JP)
Title: Manufacture of seamless metallic belt
Inventor: MATSUZAWA KOSABURO
IPC: B23P13/00
Filed: 1996-04-01
Abstract: PROBLEM TO BE SOLVED: To manufacture a highly accurate seamless metallic belt having no welding line by cutting an outer peripheral surface of a seamless belt raw material formed by continuing a thin plate-like metallic material in an annular shape, and forming a thickness of the belt in a constant thickness as a whole. SOLUTION: In the case of manufacturing a seamless metallic belt to be used in a molding belt device or the like, first of all, a metallic material is worked by forging, extrusion or the like, and a seamless cylindrical raw material is made, and next, it is cut by honing work or the like, and a belt raw material 21 is formed. Then, this is installed on a core 11, but at this time, the core 11 is put in a cooling condition, and after the belt raw material 21 is arranged on an outer peripheral surface of the core 11, the core 11 is heated and expanded, and the belt raw material 21 is held on an outer peripheral surface of the core 11 in an expanded condition.  Afterwards, the core 11 is rotated, and a cutting tool 14 is contacted with an outer peripheral surface of the belt raw material 21, and this outer peripheral surface is precisely and uniformly cut over the whole circumference and the whole width, and a necessary seamless metallic belt is obtained.
Patent JP-2000273835-A (JP)
Title: Fog removing system
Inventor: WAKAYAMA TOSHIO
IPC: G01W1/00
Filed: 1999-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a fog removing system capable of removing fog effectively and efficiently by operating a fog removing means provided in a traveling body passage optimaly in accordance with a distribution situation of the fog formed in the traveling body passage and its peripheral part. SOLUTION: The distribution of the fog formed in a traveling body passage and its peripheral part is detected by a fog removing means 4 removing the fog in the vicinity of the traveling body passage and a fog observation means 1 for observing the fog generated in the traveling body passage and its peripheral part based on the results of the observation by the fog observation means 1. A fog distribution detection processing means 2 for predicting the travel of fog based on the results of the detection of the fog distribution and a control means 3 for controlling the removing operation of the fog removing means 4 based on the results of processing by the fog distribution detection processing means 2 are provided.
Patent JP-H02259145-A (JP)
Title: Carriage of knitting machine
Inventor: SUGITA YOSHIMORI
IPC: D04B15/36
Filed: 1989-03-30
Abstract: PURPOSE:To accurately, rapidly and readily enable changeover operation of a cam by providing a carriage with the first special operating member, second operating member and changeover member and linking the second operating member to the first changeover member. CONSTITUTION:A carriage having a pair of knitting cams 24, a pair of auxiliary cams 25 for dividing and guiding knitting needle butts into a knitting passage and nonknitting passage an a pair of tuck cams 28 for dividing and guiding the nonknitting passage into a tuck passage and a mis-passage is provided with the first operating members 36 for operating the auxiliary cams 25, the first changeover members 61 and the second operating members 49 for changing over the tuck cams 28 through the second changeover member 44. The second operating members 49 are linked to the first changeover member 61. When the tuck cams 28 are changed over to an arrangement for opening thereof to the mis-passage by the above-mentioned linking, operation to open the auxiliary cams 24 to the mis-passage is automatically performed without carrying out changeover operation of the first operating members 61.
Patent JP-S575345-A (JP)
Title: Isolating and picking up method for pellet
Inventor: TAKASHIMA KAZUHISA
IPC: H01L21/68
Filed: 1980-06-13
Abstract: PURPOSE:To shorten the time of isolating and picking up process for pellets formed in a matrix on a wafer by forming a block at every plural rows of the pellets and picking up the pellet of the block sequentially to the nearest pellet selectively. CONSTITUTION:When a device 14 reads a data on a tape, the data is inputted to a control circuit 15, which in turn operates an X-Y table 5 to form a block B1 form the upper two rows of pellets P1, P2 on a wafer W, the X-Y table 5 is then operated to set the desired pellet Pa of the block to a pickup position, and the pellet is pickup up by a stylus member 13 and a collet 11. The table is then moved to next pickup position, but is moved to the position of the nearest pellet Pb even if it is not in the same row in one block, and is operated to pick up the pellet. When improper pellets are consecutively provided in the same row, the loss time of the pickup is less.
Patent JP-S58197766-A (JP)
Title: Manufacture of solid state image pickup element
Inventor: KAJIMURA MOTOJI
IPC: H04N5/335
Filed: 1982-05-13
Abstract: PURPOSE:To obtain the photoconductive film having the prescribed accuracy performing a simple work by a method wherein, when a photoconductive material is going to be coated on all area excluding necessary part masked using a printing method, said mask is removed after the photoconductive material has been vapor-deposited. CONSTITUTION:A scanning part 4 consisting of CCD, a metal wiring 6, and a junction pad 8 are provided on an Si substrate 2. A resist mask of 5-20mum or thereabout is printed on the region other than the prescribed area on the scanning par 4. Then, a photoconductive film 12 is vapor-deposited, the mask is mechanically peeled off, and the photoconductive film 12 is left on the prescribed part only. According to this constitution, the disadvantageous points of conventional method wherein a metal mask is vapor-deposited is eliminated, thereby enabling to obtain a photoconductive film having necessary accuracy by performing a simple process.
Patent JP-H10254657-A (JP)
Title: Image formation device and communication method for image formation device
Inventor: AKASHI MASAMICHI
IPC: H04L12/40
Filed: 1997-03-14
Abstract: PROBLEM TO BE SOLVED: To provide an image formation device capable of quickly executing an image formation processing and the communication method of the image formation device. SOLUTION: An LBP slightly narrows the printing guarantee band of a widest level (step S306) in the case that the printing guarantee band of the widest level can not be secured (NO of step S305) and receives printing data from a host computer by asynchronous communication (step S309) in the case that the narrowed printing guarantee band of the widest level is narrower that the printing guarantee band of a narrowest level (NO of step S307), that is in the case that the printing data can not be received from the host computer by synchronous communication.
Patent JP-H05239015-A (JP)
Title: New sulfur-containing compound and its production
Inventor: HATA HIROYUKI
IPC: C07C315/02
Filed: 1992-02-28
Abstract: PURPOSE:To obtain new 4-(phenylsulfonyl)phenyl(tribromomethyl)sulfone useful for an initiator for polymerization reaction in order to generate a radical by irradiation with light or an antimicrobial agent. CONSTITUTION:4-(Phenylsulfonyl)phenyl(tribromomethyl)sulfone of formula I. The compound of formula I is obtained by oxidizing a [4-(phenylthio) phenylthio]acetic acid formula II or its salt as a new intermediate and then brominating or hydrolyzing a new ester of formula III (R is alkyl) and then oxidizing or brominating. Preferably hydrogen peroxide is used as the oxidizing agent and a hypobromite as the brominating agent. Since the compound of formula I has a UV maximum absorption at 249nm, it can be directly used without using a sensitizer at effective wavelength of 245nm.
Patent JP-H10253671-A (JP)
Title: Measuring apparatus for signal spectrum
Inventor: AKITA SHINICHI
IPC: G01R23/165
Filed: 1997-03-14
Abstract: PROBLEM TO BE SOLVED: To obtain a measuring apparatus which shortens the time required for measuring all passage frequencies without lowering its measuring accuracy. SOLUTION: Two sets of band-pass filter circuits BPF 11A, 11B and peak hold circuits P/H 12A, 12B are installed, and the frequency of the operating clock of the first band-pass filter circuit 11A is set at a frequency which is 0.3 times the frequency of the operating clock of the second band-pass filter circuit 11B. Three passage frequencies are set for both band-pass filter circuits 11A, 11B, and the relationship between frequencies f1 to f3 of one out of the circuits is set to be fn≈10<n-1> .f1 (where n=1 to 3). The relationship regarding the frequencies of the other is set in the same manner.
Patent JP-S57195189-A (JP)
Title: Hydrogenative treatment of cracked gasoline
Inventor: TAKAHASHI HIDEYUKI
IPC: C10G45/32
Filed: 1981-05-27
Abstract: PURPOSE: After removel of light fractions, cracked gasoline is sent to the heavy fraction separator which is operated under reduced pressure at a temperature lower than a specific one to remove dicyclopentadiene, then the resultant middle fraction is hydrogenated to effect stabilized hydrogenation of cracked gasoline.  
     CONSTITUTION: Cracked gasoline is sent to the light fraction separator 2 where the light substances in it are separated and then to the heavy fraction separator  5 where the distillation is operated under such a vacuum condition as the distillation temperature may not exceed 150°C at which cyclopentadiene dimer is decompose a violently. Thus, the cyclopentadienes that have not been distillated off as a light fraction are taken out of the bottom of the heavey fraction separator 5 together with other heavy substances. The middle fraction that is distilled out of the top of the heavy fraction separator 5 is greatly reduced in cyclopentadiene content as a result. The middle fraction is fed to the pre-stage hydrogenation reactor 10, then to the post-stage hydrogenation reactor 16 to effect hydrogenation. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S63246407-A (JP)
Title: Structure of lubricating oil path of engine
Inventor: HORIUCHI HIROSHI
IPC: F01M1/06
Filed: 1987-03-31
Abstract: PURPOSE:To allow the wall of a cylinder block to be thin by connecting the oil pump provided at the end wall in the axial direction of a crank shaft and filter provided in a cylinder block side wall at the first path in the axial direction of the crank shaft and the second path in the axial direction of a cylinder. CONSTITUTION:An oil pump 21 is provided coaxially with a crank shaft 16 on the end wall 13 in the axial direction of the crank shaft 16 of a cylinder block 1. A hole 24 is formed on a side wall 23 along the axial direction of the crank shaft 16 of the cylinder block 1 whose internal screw is threadably attached by an oil filter 26. The side wall 23 is integrally formed with a first lubricating oil path 27 along the axial direction of the crank shaft 16 toward the portion between an oil pan and oil filter 16 from the outlet of the oil pump 21. And the lower section of the circular groove 25 of the side wall 23, the second lubricating oil path 31 is formed from the lower end face of the cylinder block 1 to the internal face of the circular groove 25.